Woman 49yo with pain after urinary miction. PAST HISTORY of BEING PUT T - SHAPE IUD 20 YEARS BEFORE.
ULTRASOUND of PELVIS DETECTED BIG URINARY BLADDER STONE ( US1)
XRAY of PELVIS SHOWs THIS STONE WITH IUD INSIDE ( XRAY film).
ULTRASOUND WITH CDI FINDs OUT TWINKLING ARTIFACT WITH COMET TAIL SIGN in GREEN AND RED ( US 2, US 3).
MSCT of PELVIS :
CT1= THE METALIC IUD INTRA UB WALL.
CT2 SAGITTAL VIEW .
CT3 FRONTAL VIEW : THE IUD INTRA UB WALL.
ENDOSCOPY DETECTED THE STONE IN VAULT OF UB.
CONCLUSION = IUD PENETRATING TO UB WALL AND FORMATION OF STONE.